<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="UTF-8" />
		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
		<title>Document</title>
	</head>
	<body>
		<script>
			function fn(k,z,y) {
                console.log('k ',k);
                
				var m = 34
				var n = 56
				var max = m
				if (n > max) {
					max = n
				}
				console.log('最大值是 ', max)
			}

            console.log('开始执行');
            
			//函数调用语句
			fn(100,200,300)

            console.log('结束执行');
            
		</script>
	</body>
</html>
